Orders placed before 2PM EST Monday - Friday ship the same day (excludes Ultrascope). There is NO SHIPPING DELAY on stethoscope engravings. Shipping warehouse closed weekends and holidays. If an order is placed over the weekend, it will ship Monday.
3M Littmann Stethoscope Spare Parts Kit for the Classic III™ Stethoscope contains a black single piece tunable diaphragm for both the adult and pediatric sides of the chestpiece, in addition to two small (1/2 inch), black Snap Tight Soft-Sealing Eartips.